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Arte-miy333 [17]
2 years ago
9

Houston Elementary School is selecting students to be in the winter festival show. There are 4 roles left but there are 12 stude

nts interested in the roles. How many combinations of the twelve students can be chosen for the four remaining roles? A. 505 B. 495 C. 48 D. 16
Mathematics
2 answers:
elena-s [515]2 years ago
7 0
It's C. 48. Hope this helps. Why does my answer have to be long? Now THAT I will never know.
VikaD [51]2 years ago
5 0
The correct answer is C. 48
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Answer if you know
fgiga [73]

Answer: i dont know

Step-by-step explanation: im not shur but what to help sorry

7 0
2 years ago
What is the slope of the line that passes through the points (9, -1) and (4, -11)?
mixas84 [53]

Answer:

2

Step-by-step explanation:

We have two points so we can find the slope

m = ( y2-y1)/(x2-x1)

    = ( -11 - -1)/( 4 -9)

    = (-11+1)/( 4-9)

    -10/ -5

   = 2

4 0
2 years ago
Area and Circumference of Circles
Thepotemich [5.8K]

Pi(\pi) is the ratio of circumference to diameter for any circle.

Perimeter is the distance around a circle.

Circumference of circle C = \pi d.

Perimeter of circle = 2 \pi r

What is circle ?

A circle is a spherical shape without boundaries or edges.

A circle is a closed, curved object with two dimensions in geometry.

Consider two small arcs AB and CD of two circles of radii x and y units, both of which make an angle of measure θ at the centers P and Q respectively.

For smaller values of θ, the arc length AB is almost equal to the length of the line segment \bar{AB}. Similarly, arc CD ≅ \bar{CD}.

Using the SAS rule of triangle similarity, we can say that APB and CQD are similar triangles because their angles are the same and their ratios are AP: PB = CQ: QD = 1: 1. So, it stands to reason that AB: AP = CD: CQ.

Circumference = \pi \times diameter or circumference = 2\pi \times radius if this constant equals some value.

So it was proved.

Learn more about Circle click on this:

brainly.com/question/24375372

#SPJ13

7 0
1 year ago
Alma had four ants in her ant farm. She found three more ants outside and put them in the ant farm. She wanted to know how many
olga2289 [7]

Answer:

42

Step-by-step explanation:

4+3=7 7x6=42

5 0
2 years ago
i need help. Semir, Sarah, and SungSo decided to raise money for a local homeless shelter by working in a local deli. The deli a
IgorLugansk [536]
According to the question, 
Let,
"n" represent the number of miles semir walked.
"y" represent the number of miles sarah walked.
Now, according to the question,

y = 2n - 5  ........................this is your equation 
Also,
the question states, each of them collect $18 in pledges for every miles walked.

Given,
Sarah collected $450
Now, 

Using unitary method,

Sarah collects $18 for 1 mile
Sarah collects $1 for (1 / $18) mile
Sarah collects $450 for (1 / 18) * 450 mile
                                   = 25 miles
So, Sarah walks 25 miles.
Now,
Taking equation,
y = 2n - 5
Since, y is the no. of miles sarah walked, we can write 25 in place of "y" So,
(25) = 2n - 5
25 + 5 = 2n
30 = 2n
30 / 2 = n
15 = n

Since, "n" is the no. of miles that semir walked, Semir walked 15 miles.


7 0
3 years ago
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